Home / 14,181.88-21,275.12-4,822.74

Finding the Fourth Proportional to 14,181.88, 21,275.12 and 4,822.74

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Solution

The fourth proportional to 14,181.88, 21,275.12 and 4,822.74 is: 7,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.88 : 21,275.12 = 4,822.74 : x
  2. Step 2: Convert to fraction form
    14,181.88/21,275.12 = 4,822.74/x
  3. Step 3: Cross multiply
    14,181.88x = 21,275.12 × 4,822.74
  4. Step 4: Simplify right side
    14,181.88x = 102,604,372.23
  5. Step 5: Solve for x
    x = 102,604,372.23/14,181.88
  6. Step 6: Final answer
    x = 7,234.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.